NEET Biology question

Biology Cell Cycle and Cell Division NEET

Which of the following is an incorrect combination of organism with its chromosome number in meiocyte and in gamete? Name of organism — Chromosome number in meiocyte — Chromosome number in gamete

(A)Onion — 24 — 1260Correct
(B)*Ophioglossum* — 1260 — 630
(C)Human beings — 46 — 23
(D)Fruit fly — 8 — 4

Answer: (A)

Solution

Onion actually has a meiocyte (2n) chromosome number of 32 and gametic (n) number of 16, not 24 and 1260 (the figure 1260 is incorrectly borrowed from *Ophioglossum*'s gamete number, and

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Question ID VK-129316